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    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - HTMLElement::nodeName should not upper case non-ASCII characters"
   href="https://bugs.webkit.org/show_bug.cgi?id=153231">153231</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>HTMLElement::nodeName should not upper case non-ASCII characters
          </td>
        </tr>

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>WebKit
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>WebKit Nightly Build
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>Unspecified
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Unspecified
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>Normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>P2
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>HTML DOM
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>webkit-unassigned&#64;lists.webkit.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>rniwa&#64;webkit.org
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>akling&#64;apple.com, benjamin&#64;webkit.org, cdumez&#64;apple.com, darin&#64;apple.com
          </td>
        </tr></table>
      <p>
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        <pre><a href="https://dom.spec.whatwg.org/#dom-element-tagname">https://dom.spec.whatwg.org/#dom-element-tagname</a>
1. Let qualifiedName be context object’s qualified name.
2. If the context object is in the HTML namespace and its node document is an HTML document, let qualified name be converted to ASCII uppercase.
3. Return qualified name.

So we shouldn't really be upper-casing the localName for real.  We need an equivalent of convertToASCIILowercase for uppercasing. convertToASCIIUppercase?</pre>
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